Nokea
Phenytoin is used for treatment of
- A. supraventricular tachycardia
- B. digitalis intoxication
- C. atrial fibrillation
- D. ventricular tachycardia
Correct Answer: B
Rationale: Phenytoin is used specifically for digitalis-induced arrhythmias.
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The nurse is providing discharge instructions to a client who is receiving prednisone (Deltasone) 5 mg PO daily for a rash due to contact with poison ivy. Which symptom should the nurse tell the client to report to the healthcare provider?
- A. Rapid weight gain
- B. Increased energy levels.
- C. Frequent headaches.
- D. Dry mouth.
Correct Answer: A
Rationale: Rapid weight gain may indicate fluid retention, a side effect of prednisone that requires medical evaluation.
Hypothalamic nuclei are responsible for:
- A. Control of hunger
- B. Temperature control
- C. Maintaining osmolarity of extracellular fluid
- D. Secretion of thyrotrophin
Correct Answer: A
Rationale: The hypothalamus plays a key role in regulating hunger through various nuclei and hormonal signals.
Which finding might delay a cardiac catheterization procedure on a 1-year-old?
- A. 30th percentile for weight
- B. Severe diaper rash
- C. Allergy to soy
- D. Oxygen saturation of 91% on room air
Correct Answer: B
Rationale: A severe diaper rash may indicate potential infection, which is a contraindication for the standard groin approach during catheterization.
Tests used in establishing a diagnosis of coeliac disease are:
- A. IgA anti-endomysial antibodies
- B. IgM anti-reticulin antibodies
- C. IgA anti-gliadin antibodies
- D. Duodenal biopsy
Correct Answer: D
Rationale: A duodenal biopsy is the gold standard for diagnosing coeliac disease, as it provides histological confirmation of the disease.
All of the following are part of acute aortic syndrome, except
- A. Aortic dissection
- B. Acute aortic regurgitation
- C. Intramural hematoma
- D. Penetrating atherosclerotic ulcer
Correct Answer: B
Rationale: Acute aortic regurgitation is not typically considered part of acute aortic syndrome.